Home / 2,473.48-3,411.84-1,590.40

Finding the Fourth Proportional to 2,473.48, 3,411.84 and 1,590.40

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Solution

The fourth proportional to 2,473.48, 3,411.84 and 1,590.40 is: 2,193.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,473.48 : 3,411.84 = 1,590.40 : x
  2. Step 2: Convert to fraction form
    2,473.48/3,411.84 = 1,590.40/x
  3. Step 3: Cross multiply
    2,473.48x = 3,411.84 × 1,590.40
  4. Step 4: Simplify right side
    2,473.48x = 5,426,190.34
  5. Step 5: Solve for x
    x = 5,426,190.34/2,473.48
  6. Step 6: Final answer
    x = 2,193.75

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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.