Home / 7,557.48-10,429.32-4,572.72

Finding the Fourth Proportional to 7,557.48, 10,429.32 and 4,572.72

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Solution

The fourth proportional to 7,557.48, 10,429.32 and 4,572.72 is: 6,310.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.48 : 10,429.32 = 4,572.72 : x
  2. Step 2: Convert to fraction form
    7,557.48/10,429.32 = 4,572.72/x
  3. Step 3: Cross multiply
    7,557.48x = 10,429.32 × 4,572.72
  4. Step 4: Simplify right side
    7,557.48x = 47,690,360.15
  5. Step 5: Solve for x
    x = 47,690,360.15/7,557.48
  6. Step 6: Final answer
    x = 6,310.35

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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.