Home / 5,541.16-8,279.28-5,347.36

Finding the Fourth Proportional to 5,541.16, 8,279.28 and 5,347.36

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Solution

The fourth proportional to 5,541.16, 8,279.28 and 5,347.36 is: 7,989.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.16 : 8,279.28 = 5,347.36 : x
  2. Step 2: Convert to fraction form
    5,541.16/8,279.28 = 5,347.36/x
  3. Step 3: Cross multiply
    5,541.16x = 8,279.28 × 5,347.36
  4. Step 4: Simplify right side
    5,541.16x = 44,272,298.03
  5. Step 5: Solve for x
    x = 44,272,298.03/5,541.16
  6. Step 6: Final answer
    x = 7,989.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.