Home / 2,053.85-2,835.38-1,425.47

Finding the Fourth Proportional to 2,053.85, 2,835.38 and 1,425.47

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Solution

The fourth proportional to 2,053.85, 2,835.38 and 1,425.47 is: 1,967.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.85 : 2,835.38 = 1,425.47 : x
  2. Step 2: Convert to fraction form
    2,053.85/2,835.38 = 1,425.47/x
  3. Step 3: Cross multiply
    2,053.85x = 2,835.38 × 1,425.47
  4. Step 4: Simplify right side
    2,053.85x = 4,041,742.00
  5. Step 5: Solve for x
    x = 4,041,742.00/2,053.85
  6. Step 6: Final answer
    x = 1,967.89

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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.