Home / 5,488.20-7,570.98-4,741.92

Finding the Fourth Proportional to 5,488.20, 7,570.98 and 4,741.92

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Solution

The fourth proportional to 5,488.20, 7,570.98 and 4,741.92 is: 6,541.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.20 : 7,570.98 = 4,741.92 : x
  2. Step 2: Convert to fraction form
    5,488.20/7,570.98 = 4,741.92/x
  3. Step 3: Cross multiply
    5,488.20x = 7,570.98 × 4,741.92
  4. Step 4: Simplify right side
    5,488.20x = 35,900,981.48
  5. Step 5: Solve for x
    x = 35,900,981.48/5,488.20
  6. Step 6: Final answer
    x = 6,541.49

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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.