Home / 3,130.35-4,319.73-1,714.01

Finding the Fourth Proportional to 3,130.35, 4,319.73 and 1,714.01

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Solution

The fourth proportional to 3,130.35, 4,319.73 and 1,714.01 is: 2,365.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.35 : 4,319.73 = 1,714.01 : x
  2. Step 2: Convert to fraction form
    3,130.35/4,319.73 = 1,714.01/x
  3. Step 3: Cross multiply
    3,130.35x = 4,319.73 × 1,714.01
  4. Step 4: Simplify right side
    3,130.35x = 7,404,051.85
  5. Step 5: Solve for x
    x = 7,404,051.85/3,130.35
  6. Step 6: Final answer
    x = 2,365.25

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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.