Home / 4,938.34-6,813.80-2,948.56

Finding the Fourth Proportional to 4,938.34, 6,813.80 and 2,948.56

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Solution

The fourth proportional to 4,938.34, 6,813.80 and 2,948.56 is: 4,068.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.34 : 6,813.80 = 2,948.56 : x
  2. Step 2: Convert to fraction form
    4,938.34/6,813.80 = 2,948.56/x
  3. Step 3: Cross multiply
    4,938.34x = 6,813.80 × 2,948.56
  4. Step 4: Simplify right side
    4,938.34x = 20,090,898.13
  5. Step 5: Solve for x
    x = 20,090,898.13/4,938.34
  6. Step 6: Final answer
    x = 4,068.35

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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.