Home / 3,140.17-4,710.05-1,192.32

Finding the Fourth Proportional to 3,140.17, 4,710.05 and 1,192.32

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Solution

The fourth proportional to 3,140.17, 4,710.05 and 1,192.32 is: 1,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.17 : 4,710.05 = 1,192.32 : x
  2. Step 2: Convert to fraction form
    3,140.17/4,710.05 = 1,192.32/x
  3. Step 3: Cross multiply
    3,140.17x = 4,710.05 × 1,192.32
  4. Step 4: Simplify right side
    3,140.17x = 5,615,885.33
  5. Step 5: Solve for x
    x = 5,615,885.33/3,140.17
  6. Step 6: Final answer
    x = 1,788.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.