Home / 3,876.34-5,347.47-2,303.32

Finding the Fourth Proportional to 3,876.34, 5,347.47 and 2,303.32

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Solution

The fourth proportional to 3,876.34, 5,347.47 and 2,303.32 is: 3,177.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.34 : 5,347.47 = 2,303.32 : x
  2. Step 2: Convert to fraction form
    3,876.34/5,347.47 = 2,303.32/x
  3. Step 3: Cross multiply
    3,876.34x = 5,347.47 × 2,303.32
  4. Step 4: Simplify right side
    3,876.34x = 12,316,934.60
  5. Step 5: Solve for x
    x = 12,316,934.60/3,876.34
  6. Step 6: Final answer
    x = 3,177.46

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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.