Home / 3,750.81-5,174.40-2,424.94

Finding the Fourth Proportional to 3,750.81, 5,174.40 and 2,424.94

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Solution

The fourth proportional to 3,750.81, 5,174.40 and 2,424.94 is: 3,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.81 : 5,174.40 = 2,424.94 : x
  2. Step 2: Convert to fraction form
    3,750.81/5,174.40 = 2,424.94/x
  3. Step 3: Cross multiply
    3,750.81x = 5,174.40 × 2,424.94
  4. Step 4: Simplify right side
    3,750.81x = 12,547,621.16
  5. Step 5: Solve for x
    x = 12,547,621.16/3,750.81
  6. Step 6: Final answer
    x = 3,345.31

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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.