Home / 1,476.16-2,207.63-1,312.64

Finding the Fourth Proportional to 1,476.16, 2,207.63 and 1,312.64

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Solution

The fourth proportional to 1,476.16, 2,207.63 and 1,312.64 is: 1,963.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.16 : 2,207.63 = 1,312.64 : x
  2. Step 2: Convert to fraction form
    1,476.16/2,207.63 = 1,312.64/x
  3. Step 3: Cross multiply
    1,476.16x = 2,207.63 × 1,312.64
  4. Step 4: Simplify right side
    1,476.16x = 2,897,823.44
  5. Step 5: Solve for x
    x = 2,897,823.44/1,476.16
  6. Step 6: Final answer
    x = 1,963.08

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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.