Home / 7,572.80-10,444.52-4,921.07

Finding the Fourth Proportional to 7,572.80, 10,444.52 and 4,921.07

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Solution

The fourth proportional to 7,572.80, 10,444.52 and 4,921.07 is: 6,787.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.80 : 10,444.52 = 4,921.07 : x
  2. Step 2: Convert to fraction form
    7,572.80/10,444.52 = 4,921.07/x
  3. Step 3: Cross multiply
    7,572.80x = 10,444.52 × 4,921.07
  4. Step 4: Simplify right side
    7,572.80x = 51,398,214.04
  5. Step 5: Solve for x
    x = 51,398,214.04/7,572.80
  6. Step 6: Final answer
    x = 6,787.21

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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.