Home / 1,913.16-2,873.40-1,184.16

Finding the Fourth Proportional to 1,913.16, 2,873.40 and 1,184.16

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Solution

The fourth proportional to 1,913.16, 2,873.40 and 1,184.16 is: 1,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913.16 : 2,873.40 = 1,184.16 : x
  2. Step 2: Convert to fraction form
    1,913.16/2,873.40 = 1,184.16/x
  3. Step 3: Cross multiply
    1,913.16x = 2,873.40 × 1,184.16
  4. Step 4: Simplify right side
    1,913.16x = 3,402,565.34
  5. Step 5: Solve for x
    x = 3,402,565.34/1,913.16
  6. Step 6: Final answer
    x = 1,778.51

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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.