Home / 2,347.12-3,239.52-1,953.76

Finding the Fourth Proportional to 2,347.12, 3,239.52 and 1,953.76

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Solution

The fourth proportional to 2,347.12, 3,239.52 and 1,953.76 is: 2,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.12 : 3,239.52 = 1,953.76 : x
  2. Step 2: Convert to fraction form
    2,347.12/3,239.52 = 1,953.76/x
  3. Step 3: Cross multiply
    2,347.12x = 3,239.52 × 1,953.76
  4. Step 4: Simplify right side
    2,347.12x = 6,329,244.60
  5. Step 5: Solve for x
    x = 6,329,244.60/2,347.12
  6. Step 6: Final answer
    x = 2,696.60

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1.5x scale

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.