Home / 2,966.48-4,445.10-2,087.40

Finding the Fourth Proportional to 2,966.48, 4,445.10 and 2,087.40

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Solution

The fourth proportional to 2,966.48, 4,445.10 and 2,087.40 is: 3,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.48 : 4,445.10 = 2,087.40 : x
  2. Step 2: Convert to fraction form
    2,966.48/4,445.10 = 2,087.40/x
  3. Step 3: Cross multiply
    2,966.48x = 4,445.10 × 2,087.40
  4. Step 4: Simplify right side
    2,966.48x = 9,278,701.74
  5. Step 5: Solve for x
    x = 9,278,701.74/2,966.48
  6. Step 6: Final answer
    x = 3,127.85

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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.