Home / 3,368.44-4,647.66-1,970.68

Finding the Fourth Proportional to 3,368.44, 4,647.66 and 1,970.68

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Solution

The fourth proportional to 3,368.44, 4,647.66 and 1,970.68 is: 2,719.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.44 : 4,647.66 = 1,970.68 : x
  2. Step 2: Convert to fraction form
    3,368.44/4,647.66 = 1,970.68/x
  3. Step 3: Cross multiply
    3,368.44x = 4,647.66 × 1,970.68
  4. Step 4: Simplify right side
    3,368.44x = 9,159,050.61
  5. Step 5: Solve for x
    x = 9,159,050.61/3,368.44
  6. Step 6: Final answer
    x = 2,719.08

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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.