Home / 2,417.91-3,336.51-1,423.02

Finding the Fourth Proportional to 2,417.91, 3,336.51 and 1,423.02

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Solution

The fourth proportional to 2,417.91, 3,336.51 and 1,423.02 is: 1,963.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.91 : 3,336.51 = 1,423.02 : x
  2. Step 2: Convert to fraction form
    2,417.91/3,336.51 = 1,423.02/x
  3. Step 3: Cross multiply
    2,417.91x = 3,336.51 × 1,423.02
  4. Step 4: Simplify right side
    2,417.91x = 4,747,920.46
  5. Step 5: Solve for x
    x = 4,747,920.46/2,417.91
  6. Step 6: Final answer
    x = 1,963.65

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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.