Home / 5,501-7,569.51-5,347.91

Finding the Fourth Proportional to 5,501, 7,569.51 and 5,347.91

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Solution

The fourth proportional to 5,501, 7,569.51 and 5,347.91 is: 7,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,501 : 7,569.51 = 5,347.91 : x
  2. Step 2: Convert to fraction form
    5,501/7,569.51 = 5,347.91/x
  3. Step 3: Cross multiply
    5,501x = 7,569.51 × 5,347.91
  4. Step 4: Simplify right side
    5,501x = 40,481,058.22
  5. Step 5: Solve for x
    x = 40,481,058.22/5,501
  6. Step 6: Final answer
    x = 7,358.85

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.