Home / 2,875.64-4,312.67-795.16

Finding the Fourth Proportional to 2,875.64, 4,312.67 and 795.16

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Solution

The fourth proportional to 2,875.64, 4,312.67 and 795.16 is: 1,192.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.64 : 4,312.67 = 795.16 : x
  2. Step 2: Convert to fraction form
    2,875.64/4,312.67 = 795.16/x
  3. Step 3: Cross multiply
    2,875.64x = 4,312.67 × 795.16
  4. Step 4: Simplify right side
    2,875.64x = 3,429,262.68
  5. Step 5: Solve for x
    x = 3,429,262.68/2,875.64
  6. Step 6: Final answer
    x = 1,192.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.