Home / 7,232.34-9,980.76-4,088.58

Finding the Fourth Proportional to 7,232.34, 9,980.76 and 4,088.58

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Solution

The fourth proportional to 7,232.34, 9,980.76 and 4,088.58 is: 5,642.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,232.34 : 9,980.76 = 4,088.58 : x
  2. Step 2: Convert to fraction form
    7,232.34/9,980.76 = 4,088.58/x
  3. Step 3: Cross multiply
    7,232.34x = 9,980.76 × 4,088.58
  4. Step 4: Simplify right side
    7,232.34x = 40,807,135.72
  5. Step 5: Solve for x
    x = 40,807,135.72/7,232.34
  6. Step 6: Final answer
    x = 5,642.31

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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.