Home / 6,237.29-8,587.82-5,291.12

Finding the Fourth Proportional to 6,237.29, 8,587.82 and 5,291.12

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Solution

The fourth proportional to 6,237.29, 8,587.82 and 5,291.12 is: 7,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237.29 : 8,587.82 = 5,291.12 : x
  2. Step 2: Convert to fraction form
    6,237.29/8,587.82 = 5,291.12/x
  3. Step 3: Cross multiply
    6,237.29x = 8,587.82 × 5,291.12
  4. Step 4: Simplify right side
    6,237.29x = 45,439,159.70
  5. Step 5: Solve for x
    x = 45,439,159.70/6,237.29
  6. Step 6: Final answer
    x = 7,285.08

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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.