Home / 2,337.39-3,490.93-2,117.58

Finding the Fourth Proportional to 2,337.39, 3,490.93 and 2,117.58

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Solution

The fourth proportional to 2,337.39, 3,490.93 and 2,117.58 is: 3,162.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337.39 : 3,490.93 = 2,117.58 : x
  2. Step 2: Convert to fraction form
    2,337.39/3,490.93 = 2,117.58/x
  3. Step 3: Cross multiply
    2,337.39x = 3,490.93 × 2,117.58
  4. Step 4: Simplify right side
    2,337.39x = 7,392,313.11
  5. Step 5: Solve for x
    x = 7,392,313.11/2,337.39
  6. Step 6: Final answer
    x = 3,162.64

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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.