Home / 2,931.66-4,043.70-1,752.30

Finding the Fourth Proportional to 2,931.66, 4,043.70 and 1,752.30

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Solution

The fourth proportional to 2,931.66, 4,043.70 and 1,752.30 is: 2,416.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.66 : 4,043.70 = 1,752.30 : x
  2. Step 2: Convert to fraction form
    2,931.66/4,043.70 = 1,752.30/x
  3. Step 3: Cross multiply
    2,931.66x = 4,043.70 × 1,752.30
  4. Step 4: Simplify right side
    2,931.66x = 7,085,775.51
  5. Step 5: Solve for x
    x = 7,085,775.51/2,931.66
  6. Step 6: Final answer
    x = 2,416.98

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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.