Home / 2,276.07-3,142.16-1,533.93

Finding the Fourth Proportional to 2,276.07, 3,142.16 and 1,533.93

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Solution

The fourth proportional to 2,276.07, 3,142.16 and 1,533.93 is: 2,117.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.07 : 3,142.16 = 1,533.93 : x
  2. Step 2: Convert to fraction form
    2,276.07/3,142.16 = 1,533.93/x
  3. Step 3: Cross multiply
    2,276.07x = 3,142.16 × 1,533.93
  4. Step 4: Simplify right side
    2,276.07x = 4,819,853.49
  5. Step 5: Solve for x
    x = 4,819,853.49/2,276.07
  6. Step 6: Final answer
    x = 2,117.62

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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.