Home / 4,670.02-7,005.12-1,383.40

Finding the Fourth Proportional to 4,670.02, 7,005.12 and 1,383.40

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Solution

The fourth proportional to 4,670.02, 7,005.12 and 1,383.40 is: 2,075.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670.02 : 7,005.12 = 1,383.40 : x
  2. Step 2: Convert to fraction form
    4,670.02/7,005.12 = 1,383.40/x
  3. Step 3: Cross multiply
    4,670.02x = 7,005.12 × 1,383.40
  4. Step 4: Simplify right side
    4,670.02x = 9,690,883.01
  5. Step 5: Solve for x
    x = 9,690,883.01/4,670.02
  6. Step 6: Final answer
    x = 2,075.13

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1.5x scale

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.