Home / 2,937.50-4,054.40-2,298.17

Finding the Fourth Proportional to 2,937.50, 4,054.40 and 2,298.17

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Solution

The fourth proportional to 2,937.50, 4,054.40 and 2,298.17 is: 3,171.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.50 : 4,054.40 = 2,298.17 : x
  2. Step 2: Convert to fraction form
    2,937.50/4,054.40 = 2,298.17/x
  3. Step 3: Cross multiply
    2,937.50x = 4,054.40 × 2,298.17
  4. Step 4: Simplify right side
    2,937.50x = 9,317,699.09
  5. Step 5: Solve for x
    x = 9,317,699.09/2,937.50
  6. Step 6: Final answer
    x = 3,171.99

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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.