Home / 3,117.40-4,651.73-3,043.30

Finding the Fourth Proportional to 3,117.40, 4,651.73 and 3,043.30

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Solution

The fourth proportional to 3,117.40, 4,651.73 and 3,043.30 is: 4,541.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.40 : 4,651.73 = 3,043.30 : x
  2. Step 2: Convert to fraction form
    3,117.40/4,651.73 = 3,043.30/x
  3. Step 3: Cross multiply
    3,117.40x = 4,651.73 × 3,043.30
  4. Step 4: Simplify right side
    3,117.40x = 14,156,609.91
  5. Step 5: Solve for x
    x = 14,156,609.91/3,117.40
  6. Step 6: Final answer
    x = 4,541.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.