Home / 7,085.48-9,778.18-4,101.32

Finding the Fourth Proportional to 7,085.48, 9,778.18 and 4,101.32

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Solution

The fourth proportional to 7,085.48, 9,778.18 and 4,101.32 is: 5,659.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.48 : 9,778.18 = 4,101.32 : x
  2. Step 2: Convert to fraction form
    7,085.48/9,778.18 = 4,101.32/x
  3. Step 3: Cross multiply
    7,085.48x = 9,778.18 × 4,101.32
  4. Step 4: Simplify right side
    7,085.48x = 40,103,445.20
  5. Step 5: Solve for x
    x = 40,103,445.20/7,085.48
  6. Step 6: Final answer
    x = 5,659.95

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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.