Home / 1,590.21-2,383.61-1,572.93

Finding the Fourth Proportional to 1,590.21, 2,383.61 and 1,572.93

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Solution

The fourth proportional to 1,590.21, 2,383.61 and 1,572.93 is: 2,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.21 : 2,383.61 = 1,572.93 : x
  2. Step 2: Convert to fraction form
    1,590.21/2,383.61 = 1,572.93/x
  3. Step 3: Cross multiply
    1,590.21x = 2,383.61 × 1,572.93
  4. Step 4: Simplify right side
    1,590.21x = 3,749,243.81
  5. Step 5: Solve for x
    x = 3,749,243.81/1,590.21
  6. Step 6: Final answer
    x = 2,357.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.