Home / 4,831.83-7,248.75-1,870.20

Finding the Fourth Proportional to 4,831.83, 7,248.75 and 1,870.20

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Solution

The fourth proportional to 4,831.83, 7,248.75 and 1,870.20 is: 2,805.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.83 : 7,248.75 = 1,870.20 : x
  2. Step 2: Convert to fraction form
    4,831.83/7,248.75 = 1,870.20/x
  3. Step 3: Cross multiply
    4,831.83x = 7,248.75 × 1,870.20
  4. Step 4: Simplify right side
    4,831.83x = 13,556,612.25
  5. Step 5: Solve for x
    x = 13,556,612.25/4,831.83
  6. Step 6: Final answer
    x = 2,805.69

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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.