Home / 7,720.32-10,652.40-4,577.52

Finding the Fourth Proportional to 7,720.32, 10,652.40 and 4,577.52

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Solution

The fourth proportional to 7,720.32, 10,652.40 and 4,577.52 is: 6,316.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.32 : 10,652.40 = 4,577.52 : x
  2. Step 2: Convert to fraction form
    7,720.32/10,652.40 = 4,577.52/x
  3. Step 3: Cross multiply
    7,720.32x = 10,652.40 × 4,577.52
  4. Step 4: Simplify right side
    7,720.32x = 48,761,574.05
  5. Step 5: Solve for x
    x = 48,761,574.05/7,720.32
  6. Step 6: Final answer
    x = 6,316.00

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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.