Home / 4,412.14-6,618-1,490.56

Finding the Fourth Proportional to 4,412.14, 6,618 and 1,490.56

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Solution

The fourth proportional to 4,412.14, 6,618 and 1,490.56 is: 2,235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,412.14 : 6,618 = 1,490.56 : x
  2. Step 2: Convert to fraction form
    4,412.14/6,618 = 1,490.56/x
  3. Step 3: Cross multiply
    4,412.14x = 6,618 × 1,490.56
  4. Step 4: Simplify right side
    4,412.14x = 9,864,526.08
  5. Step 5: Solve for x
    x = 9,864,526.08/4,412.14
  6. Step 6: Final answer
    x = 2,235.77

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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.